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Title: temperature based fan speed controller using AT89s51 micro controller
Page Link: temperature based fan speed controller using AT89s51 micro controller -
Posted By: M.Ramya reddy
Created at: Friday 06th of August 2010 08:56:13 AM
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Hello,
This is ramya student of B.tech final year.I want ppt on
temperature based fan speed controller using AT89s51 microcontroller. i dont have any information regarding this topic.
Iam requesting you to provide ppt on my topic. ....etc

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Title: TEMPERATURE BASED FAN SPEED CONTROLLER
Page Link: TEMPERATURE BASED FAN SPEED CONTROLLER -
Posted By: seminar addict
Created at: Wednesday 18th of January 2012 05:41:18 PM
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TEMPERATURE BASED FAN SPEED CONTROLLER


Existing Model

At present we use voltage regulators which are used manually to alter the speed of a fan .

MICROCONTROLLER

-The AT89S52 is a 40 pin microcontroller.

-Mainly microcontroller is based on single task.

-Microcontroller is famous because of

Interrupts

Timers/counters

Serial communication

ADC 0808


-The ADC0808 data acquisition component is a monolithic CMOS devic ....etc

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Title: Fan speed control circuit
Page Link: Fan speed control circuit -
Posted By: project report helper
Created at: Thursday 07th of October 2010 01:45:09 PM
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Circuit Generates Analog Fan-Speed Control


Abstract:
A linear circuit measures temperature and controls the speed of a cooling fan by generating a variable supply voltage for the fan. Fan noise is becoming a larger issue as more electronic equipment enters the office and the home. A variable speed fan permits slower, and quieter, fan speed when temperature conditions allow. Fan-control circuits range from simple switches that boost the fan speed at a certain temperature, to digitally controlled fans with ....etc

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Title: 287 Temperature Dependent DC Fan Speed Control Using Thermistor
Page Link: 287 Temperature Dependent DC Fan Speed Control Using Thermistor -
Posted By: [email protected]
Created at: Sunday 08th of January 2012 01:05:01 AM
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My name is hari
studying b.tech final year ece
we done mini project on 287. Temperature Dependent DC Fan Speed Control Using Thermistor .
so please send me ppt this topic .send ppt to my gmail account [email protected].
please help me .thank you ....etc

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Title: DC Fan Speed Control PWM Signal Introduction
Page Link: DC Fan Speed Control PWM Signal Introduction -
Posted By: seminar class
Created at: Monday 28th of February 2011 07:14:47 PM
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presented by:
Wayne_Chen


DC Fan Speed Control PWM Signal Introduction
1. Speed Control Fan Structure
1-1. Use ON/OFF contr
Advantage：
Easy design and control method
Price cheaper
Disadvantage :
I. Power Dissipation is a design issue.
II. Not use friendly.
2. What is PWM Signal ?
PWM(Pulse Width Modulation): It’s a fixed frequency and pulse modulated for fan speed control.
Whenever change the duty cycle, the fan speed will be changed by system requirement
 The Purpose are :
....etc

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Title: TAMPERATURE BASED FAN SPEED CONTROLLER
Page Link: TAMPERATURE BASED FAN SPEED CONTROLLER -
Posted By: project report helper
Created at: Tuesday 05th of October 2010 03:07:38 PM
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TAMPERATURE BASED FAN SPEED CONTROLLER

INTRODUCTION

Embedded systems are finding increasing application not only in domestic applications but also in areas of industrial automation, automobiles, power electronics, defence and space equipments. Micro controllers are the basic building blocks for many embedded systems. In spite of revolutionary advances in the field of electronics, micro controllers play a major role in the design of embedded control systems during the past two decades. They are available in 8- ....etc

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Title: fan speed control system
Page Link: fan speed control system -
Posted By: projectsofme
Created at: Wednesday 29th of September 2010 07:27:19 PM
speed control of radiator fan, ac motor fan control clapping sound, fan speed, fan regulater in uml, z wave fan control, literatur survey of tempretur control fan speed, how make a fan moter fourmula in hindi langvage,
fan speed control system
INTRODUCTION
Fan Tachometer
The embedded controller registers 0x84 (LSB), 0x85 (MSB) are the main fan tachometer, and report fan speed in RPM in everything since the A31 and maybe a little earlier. Not much is know about the tachometer in earlier models, or even whether they had one or not.
On the X61/X61s, one must select through EC register 0x31 bit 0 which fa ....etc

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Title: speed control of radiator fan using differential gear arrangement
Page Link: speed control of radiator fan using differential gear arrangement -
Posted By: kavya26
Created at: Saturday 07th of August 2010 12:55:47 PM
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Myself HARSHITA TIWARI, B.TACH FINAL YEAR student and i want more information about the project named speed control of radiator fan using differential gear arrangement. I know only the basics related to this topic but i don't know that how to make a working model of above topic and how much cost is associated with this task.... ....etc

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Title: SPEED CONTROL OF RADIATOR FAN USING DIFFERENTIAL GEAR ARRANGEMENT
Page Link: SPEED CONTROL OF RADIATOR FAN USING DIFFERENTIAL GEAR ARRANGEMENT -
Posted By: harshita tiwari
Created at: Thursday 05th of August 2010 09:28:19 PM
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PLEASE SEND FURTHER MORE INFORMATION ABOUT PROJECT NAMED SPEED CONTROL OF RADIATOR FAN USING DIFFERENTIAL GEAR ARRANGEMENT ....etc

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Title: Embedded Temperature based Fan speed Controller using AT89S52 Microcontroller
Page Link: Embedded Temperature based Fan speed Controller using AT89S52 Microcontroller -
Posted By: seminar class
Created at: Thursday 07th of April 2011 12:26:08 PM
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Embedded Temperature Based Fan Speed Controller using AT89S52
Microcontroller
This project is a standalone automatic fan speed controller that controls the speed of an electric fan according to our requirement. Use of embedded technology makes this closed loop feedback control system efficient and reliable. Micro controller (AT89S52) allows dynamic and faster control. Liquid crystal display (LCD) makes the system user-friendly. The sensed temperature and fan speed level values are simultaneously dis ....etc

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